Human Information Processing

Question 1

Three Stage Model

Answer 1

Stimulus -> [(Perceptual Stage) -> (Cognition Stage) -> (Action Stage)] -> Response
[happens inside, cant see it]

Question 2

Sensory Memory

Answer 2

Gets information from the senses about stimuli

Passes information to working memory by attention

Question 3

Working Memory

Answer 3

A temporary memory system to do and order complicated tasks

Fragile and contents must be maintained (rehearsal)

Question 4

Psychophysical Scaling

Answer 4

The relationship between perceived magnitude and physical magnitude

Question 5

Absolute threshold

Answer 5

Smallest amount of intensity needed for a person to notice a stimulus

Question 6

Difference threshold

Answer 6

Smallest amount of difference needed for a person to perceive two stimuli as different

Question 7

Signal Detection

Answer 7

Observer has to say if the signal is there or not

Question 8

Yerkes-Dodson Law

Answer 8

The relationship between preforms and arousal, bell curve. depends by task complexity

Question 9

Stevens’ Law

Answer 9

The relationship between physical intensity and psychological magnitude